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from mpi4py import MPI
import mpiunittest as unittest
import struct
import platform
test_machine = platform.machine()
datatypes_c = [
MPI.CHAR, MPI.WCHAR,
MPI.SIGNED_CHAR, MPI.SHORT, MPI.INT, MPI.LONG,
MPI.UNSIGNED_CHAR, MPI.UNSIGNED_SHORT, MPI.UNSIGNED, MPI.UNSIGNED_LONG,
MPI.LONG_LONG, MPI.UNSIGNED_LONG_LONG,
MPI.FLOAT, MPI.DOUBLE, MPI.LONG_DOUBLE,
]
datatypes_c99 = [
MPI.C_BOOL,
MPI.INT8_T, MPI.INT16_T, MPI.INT32_T, MPI.INT64_T,
MPI.UINT8_T, MPI.UINT16_T, MPI.UINT32_T, MPI.UINT64_T,
MPI.C_COMPLEX, MPI.C_FLOAT_COMPLEX,
MPI.C_DOUBLE_COMPLEX, MPI.C_LONG_DOUBLE_COMPLEX,
]
datatypes_f = [
MPI.CHARACTER, MPI.LOGICAL, MPI.INTEGER,
MPI.REAL, MPI.DOUBLE_PRECISION,
MPI.COMPLEX, MPI.DOUBLE_COMPLEX,
]
datatypes_f90 = [
MPI.LOGICAL1, MPI.LOGICAL2, MPI.LOGICAL4, MPI.LOGICAL8,
MPI.INTEGER1, MPI.INTEGER2, MPI.INTEGER4, MPI.INTEGER8, MPI.INTEGER16,
MPI.REAL2, MPI.REAL4, MPI.REAL8, MPI.REAL16,
MPI.COMPLEX4, MPI.COMPLEX8, MPI.COMPLEX16, MPI.COMPLEX32,
]
datatypes_mpi = [
MPI.PACKED, MPI.BYTE, MPI.AINT, MPI.OFFSET,
]
datatypes = []
datatypes += datatypes_c
datatypes += datatypes_c99
datatypes += datatypes_f
datatypes += datatypes_f90
datatypes += datatypes_mpi
for typelist in [datatypes, datatypes_f, datatypes_f90]:
typelist[:] = [
t for t in datatypes
if t != MPI.DATATYPE_NULL
and t.Get_name() != 'MPI_DATATYPE_NULL'
and t.Get_size() != 0
]
del typelist
combiner_map = {}
class TestDatatypeNull(unittest.TestCase):
def testConstructor(self):
datatype = MPI.Datatype()
self.assertEqual(datatype, MPI.DATATYPE_NULL)
self.assertIsNot(datatype, MPI.DATATYPE_NULL)
def construct(): MPI.Datatype((1,2,3))
self.assertRaises(TypeError, construct)
def testGetName(self):
name = MPI.DATATYPE_NULL.Get_name()
self.assertEqual(name, "MPI_DATATYPE_NULL")
class TestDatatype(unittest.TestCase):
def testBoolEqNe(self):
for dtype in datatypes:
self.assertTrue(not not dtype)
eq = (dtype == MPI.Datatype(dtype))
ne = (dtype != MPI.Datatype(dtype))
self.assertTrue(eq)
self.assertFalse(ne)
def testGetExtent(self):
for dtype in datatypes:
lb, ext = dtype.Get_extent()
self.assertEqual(dtype.lb, lb)
self.assertEqual(dtype.ub, lb+ext)
self.assertEqual(dtype.extent, ext)
def testGetSize(self):
for dtype in datatypes:
size = dtype.Get_size()
self.assertEqual(dtype.size, size)
def testGetTrueExtent(self):
for dtype in datatypes:
try:
lb, ext = dtype.Get_true_extent()
self.assertEqual(dtype.true_lb, lb)
self.assertEqual(dtype.true_ub, lb+ext)
self.assertEqual(dtype.true_extent, ext)
except NotImplementedError:
self.skipTest('mpi-type-get_true_extent')
match_size_integer = [1, 2, 4, 8]
match_size_real = [4, 8]
match_size_complex = [8, 16]
@unittest.skipMPI('MPI(<2.0)')
@unittest.skipMPI('openmpi', (MPI.CHARACTER == MPI.DATATYPE_NULL or
MPI.CHARACTER.Get_size() == 0))
def testMatchSize(self):
typeclass = MPI.TYPECLASS_INTEGER
for size in self.match_size_integer:
datatype = MPI.Datatype.Match_size(typeclass, size)
self.assertEqual(size, datatype.size)
typeclass = MPI.TYPECLASS_REAL
for size in self.match_size_real:
datatype = MPI.Datatype.Match_size(typeclass, size)
self.assertEqual(size, datatype.size)
typeclass = MPI.TYPECLASS_COMPLEX
for size in self.match_size_complex:
datatype = MPI.Datatype.Match_size(typeclass, size)
self.assertEqual(size, datatype.size)
def testGetValueIndex(self):
typenames = ('SHORT', 'INT', 'LONG', 'FLOAT', 'DOUBLE', 'LONG_DOUBLE')
value_types = [getattr(MPI, f'{attr}') for attr in typenames]
pair_types = [getattr(MPI, f'{attr}_INT') for attr in typenames]
for value, pair in zip(value_types, pair_types):
result = MPI.Datatype.Get_value_index(value, MPI.INT)
self.assertEqual(result, pair)
for value in value_types:
result = MPI.Datatype.Get_value_index(value, MPI.FLOAT)
self.assertEqual(result, MPI.DATATYPE_NULL)
def testGetEnvelope(self):
for dtype in datatypes:
try:
envelope = dtype.Get_envelope()
except NotImplementedError:
self.skipTest('mpi-type-get_envelope')
if ('LAM/MPI' == MPI.get_vendor()[0] and
"COMPLEX" in dtype.name):
continue
ni, na, nc, nd, combiner = envelope
self.assertEqual(combiner, MPI.COMBINER_NAMED)
self.assertEqual(ni, 0)
self.assertEqual(na, 0)
self.assertEqual(nc, 0)
self.assertEqual(nd, 0)
self.assertEqual(dtype.envelope, envelope)
self.assertEqual(dtype.combiner, combiner)
self.assertTrue(dtype.is_named)
self.assertTrue(dtype.is_predefined)
otype, combiner, params = dtype.decode()
self.assertIs(dtype, otype)
self.assertEqual(combiner, "NAMED")
self.assertEqual(params, {})
def testGetSetName(self):
name = MPI.DATATYPE_NULL.Get_name()
self.assertEqual(name, "MPI_DATATYPE_NULL")
for dtype in datatypes:
try:
name = dtype.Get_name()
self.assertTrue(name)
dtype.Set_name(name)
self.assertEqual(name, dtype.Get_name())
dtype.name = dtype.name
except NotImplementedError:
self.skipTest('mpi-type-name')
def testCommit(self):
for dtype in datatypes:
dtype.Commit()
@unittest.skipIf('ppc' in test_machine, "testCodeCharStr fails on ppc arches")
def testCodeCharStr(self):
f90datatypes = []
try:
try:
for r in (1, 2, 4):
f90datatypes.append(MPI.Datatype.Create_f90_integer(r))
for p, r in ((6, 30), (15, 300)):
f90datatypes.append(MPI.Datatype.Create_f90_real(p, r))
f90datatypes.append(MPI.Datatype.Create_f90_complex(p, r))
except MPI.Exception:
if not unittest.is_mpi('msmpi'): raise
f90datatypes = [
dtype for dtype in f90datatypes
if dtype and dtype.size > 0
]
except NotImplementedError:
f90datatypes = []
pass
largef90datatypes = []
if MPI.INTEGER16 != MPI.DATATYPE_NULL:
largef90datatypes += [MPI.INTEGER16]
if struct.calcsize('P') == 4 or MPI.DOUBLE.extent == MPI.LONG_DOUBLE.extent:
largef90datatypes += [MPI.REAL16, MPI.COMPLEX32]
for dtype in datatypes + f90datatypes:
with self.subTest(datatype=dtype.name or "f90"):
if dtype in largef90datatypes: continue
code = dtype.tocode()
self.assertIsNotNone(code)
mpitype = MPI.Datatype.fromcode(code)
self.assertEqual(dtype.typechar, mpitype.typechar)
self.assertEqual(dtype.typestr, mpitype.typestr)
try:
mpitypedup1 = mpitype.Dup()
self.assertEqual(mpitypedup1.tocode(), mpitype.tocode())
self.assertEqual(mpitypedup1.typestr, mpitype.typestr)
self.assertEqual(mpitypedup1.typechar, mpitype.typechar)
mpitypedup2 = mpitypedup1.Dup()
self.assertEqual(mpitypedup2.tocode(), mpitype.tocode())
self.assertEqual(mpitypedup2.typestr, mpitype.typestr)
self.assertEqual(mpitypedup2.typechar, mpitype.typechar)
finally:
mpitypedup1.Free()
mpitypedup2.Free()
with self.assertRaises(ValueError):
MPI.Datatype.fromcode("abc@xyz")
with self.assertRaises(ValueError):
MPI.DATATYPE_NULL.tocode()
with self.assertRaises(ValueError):
MPI.INT_INT.tocode()
self.assertEqual(MPI.INT_INT.typechar, 'V')
self.assertEqual(MPI.INT_INT.typestr, f'V{MPI.INT.extent*2}')
class BaseTestDatatypeCreateMixin:
def free(self, newtype):
if newtype == MPI.DATATYPE_NULL: return
*_, combiner = newtype.Get_envelope()
if combiner in (
MPI.COMBINER_NAMED,
MPI.COMBINER_F90_INTEGER,
MPI.COMBINER_F90_REAL,
MPI.COMBINER_F90_COMPLEX,
): return
newtype.Free()
def check_contents(self, factory, newtype, oldtype):
try:
envelope = newtype.Get_envelope()
contents = newtype.Get_contents()
except NotImplementedError:
self.skipTest('mpi-type-get_envelope')
ni, na, nc, nd, combiner = envelope
i, a, c, d = contents
self.assertEqual(ni, len(i))
self.assertEqual(na, len(a))
self.assertEqual(nc, len(c))
self.assertEqual(nd, len(d))
self.assertNotEqual(combiner, MPI.COMBINER_NAMED)
self.assertEqual(newtype.envelope, envelope)
self.assertEqual(newtype.combiner, combiner)
self.assertFalse(newtype.is_named)
if combiner in (MPI.COMBINER_F90_INTEGER,
MPI.COMBINER_F90_REAL,
MPI.COMBINER_F90_COMPLEX,):
self.assertTrue(newtype.is_predefined)
else:
self.assertFalse(newtype.is_predefined)
for dt in d:
self.free(dt)
contents = newtype.contents
self.assertEqual(contents[:-1], (i, a, c))
for dt in contents[-1]:
self.free(dt)
def check_recreate(self, factory, newtype):
name = factory.__name__
name = name.replace('Get_value_index', 'Create_value_index')
NAME = name.replace('Create_', '').upper()
symbol = getattr(MPI, 'COMBINER_' + NAME)
if symbol == MPI.UNDEFINED: return
if combiner_map is None: return
symbol = combiner_map.get(symbol, symbol)
if symbol is None: return
self.assertEqual(symbol, newtype.combiner)
decoded1 = newtype.decode()
oldtype, constructor, kwargs = decoded1
prefix = 'create' if constructor != 'VALUE_INDEX' else 'get'
constructor = prefix.title() + '_' + constructor.lower()
newtype2 = getattr(oldtype, constructor)(**kwargs)
decoded2 = newtype2.decode()
types1 = decoded1[2].pop('datatypes', [])
types2 = decoded2[2].pop('datatypes', [])
for dt1, dt2 in zip(types1, types2):
self.assertEqual(dt1.combiner, dt2.combiner)
self.assertEqual(dt1.typechar, dt2.typechar)
self.assertEqual(dt1.typestr, dt2.typestr)
self.free(dt1)
self.free(dt2)
self.assertEqual(decoded1[1], decoded2[1])
self.assertEqual(decoded2[2], decoded2[2])
for dec in (decoded1, decoded2):
self.free(dec[0])
self.free(newtype2)
def testDup(self):
for dtype in datatypes:
factory = MPI.Datatype.Dup
self.check(dtype, factory)
def testContiguous(self):
for dtype in datatypes:
for count in range(5):
factory = MPI.Datatype.Create_contiguous
args = (count, )
self.check(dtype, factory, *args)
def testVector(self):
for dtype in datatypes:
for count in range(5):
for blocklength in range(5):
for stride in range(5):
factory = MPI.Datatype.Create_vector
args = (count, blocklength, stride)
self.check(dtype, factory, *args)
def testHvector(self):
for dtype in datatypes:
for count in range(5):
for blocklength in range(5):
for stride in range(5):
factory = MPI.Datatype.Create_hvector
args = (count, blocklength, stride)
self.check(dtype, factory, *args)
def testIndexed(self):
for dtype in datatypes:
for block in range(5):
blocklengths = list(range(block, block+5))
displacements = [0]
for b in blocklengths[:-1]:
stride = displacements[-1] + b * dtype.extent + 1
displacements.append(stride)
factory = MPI.Datatype.Create_indexed
args = (blocklengths, displacements)
self.check(dtype, factory, *args)
#args = (block, displacements) XXX
#self.check(dtype, factory, *args) XXX
def testIndexedBlock(self):
for dtype in datatypes:
for block in range(5):
blocklengths = list(range(block, block+5))
displacements = [0]
for b in blocklengths[:-1]:
stride = displacements[-1] + b * dtype.extent + 1
displacements.append(stride)
factory = MPI.Datatype.Create_indexed_block
args = (block, displacements)
self.check(dtype, factory, *args)
def testHindexed(self):
for dtype in datatypes:
for block in range(5):
blocklengths = list(range(block, block+5))
displacements = [0]
for b in blocklengths[:-1]:
stride = displacements[-1] + b * dtype.extent + 1
displacements.append(stride)
factory = MPI.Datatype.Create_hindexed
args = (blocklengths, displacements)
self.check(dtype, factory, *args)
#args = (block, displacements) XXX
#self.check(dtype, factory, *args) XXX
@unittest.skipMPI('openmpi(<=1.8.1)', MPI.VERSION == 3)
def testHindexedBlock(self):
for dtype in datatypes:
for block in range(5):
displacements = [0]
for i in range(5):
stride = displacements[-1] + block * dtype.extent + 1
displacements.append(stride)
factory = MPI.Datatype.Create_hindexed_block
args = (block, displacements)
self.check(dtype, factory, *args)
def testStruct(self):
for dtype1 in datatypes:
for dtype2 in datatypes:
dtypes = (dtype1, dtype2)
blocklengths = (2, 3)
displacements = [0]
for dtype in dtypes[:-1]:
stride = displacements[-1] + dtype.extent
displacements.append(stride)
factory = MPI.Datatype.Create_struct
args = (blocklengths, displacements, dtypes)
self.check(None, factory, *args)
for dtype in datatypes:
factory = MPI.Datatype.Create_struct
dtypes = [dtype.Dup()]
dtypes.append(dtypes[-1].Create_contiguous(2))
dtypes.append(dtypes[-1].Dup())
dtypes.append(dtypes[-1].Create_struct([1],[0],[dtypes[-1]]))
dtypes.append(dtypes[-1].Dup())
dtypes.append(dtypes[-1].Create_resized(0, dtypes[-1].extent))
dtypes.append(dtypes[-1].Dup())
for dt in dtypes:
args = [[1, 1], [0, dt.extent*2], (dt, dt)]
self.check(None, factory, *args)
dt.Free()
with self.assertRaises(ValueError):
factory = MPI.Datatype.Create_struct
factory([1], [0], [MPI.INT, MPI.FLOAT])
def testSubarray(self):
for dtype in datatypes:
for ndim in range(1, 5):
for size in range(1, 5):
for subsize in range(1, size):
for start in range(size-subsize):
for order in [
MPI.ORDER_C,
MPI.ORDER_FORTRAN,
MPI.ORDER_F,
]:
sizes = [size] * ndim
subsizes = [subsize] * ndim
starts = [start] * ndim
factory = MPI.Datatype.Create_subarray
args = sizes, subsizes, starts, order
self.check(dtype, factory, *args)
def testDarray(self):
for dtype in datatypes:
for ndim in range(1, 3+1):
for size in (4, 8, 9, 27):
for rank in (0, size-1):
for dist in [
MPI.DISTRIBUTE_BLOCK,
MPI.DISTRIBUTE_CYCLIC
]:
for order in [MPI.ORDER_C, MPI.ORDER_F]:
gsizes = [size]*ndim
distribs = [dist]*ndim
dargs = [MPI.DISTRIBUTE_DFLT_DARG]*ndim
psizes = MPI.Compute_dims(size, [0]*ndim)
factory = MPI.Datatype.Create_darray
args = (
size, rank,
gsizes, distribs,
dargs, psizes, order,
)
self.check(dtype, factory, *args)
def testF90Integer(self):
for r in (1, 2, 4):
factory = MPI.Datatype.Create_f90_integer
args = (r,)
self.check(None, factory, *args)
@unittest.skipMPI('openmpi(<3.0.0)')
@unittest.skipMPI('msmpi')
def testF90RealSingle(self):
(p, r) = (6, 30)
factory = MPI.Datatype.Create_f90_real
args = (p, r)
self.check(None, factory, *args)
@unittest.skipMPI('openmpi(<3.0.0)')
@unittest.skipMPI('msmpi')
@unittest.skipIf('ppc' in test_machine, "testF90RealDouble fails on ppc arches")
def testF90RealDouble(self):
(p, r) = (15, 300)
factory = MPI.Datatype.Create_f90_real
args = (p, r)
self.check(None, factory, *args)
@unittest.skipMPI('openmpi(<3.0.0)')
@unittest.skipMPI('msmpi')
def testF90ComplexSingle(self):
(p, r) = (6, 30)
factory = MPI.Datatype.Create_f90_complex
args = (p, r)
self.check(None, factory, *args)
@unittest.skipMPI('openmpi(<3.0.0)')
@unittest.skipMPI('msmpi')
@unittest.skipIf('ppc' in test_machine, "testF90ComplexDouble fails on ppc arches")
def testF90ComplexDouble(self):
(p, r) = (15, 300)
factory = MPI.Datatype.Create_f90_complex
args = (p, r)
self.check(None, factory, *args)
def testResized(self):
for dtype in datatypes:
for lb in range(-10, 10):
for extent in range(1, 10):
factory = MPI.Datatype.Create_resized
args = lb, extent
self.check(dtype, factory, *args)
def testValueIndex(self):
integral_types = datatypes_c[2:-3] + datatypes_c99[1:9]
floating_types = datatypes_c[-3:]
value_types = integral_types + floating_types
index_types = integral_types
for value in value_types:
if value == MPI.DATATYPE_NULL: continue
for index in index_types:
if index == MPI.DATATYPE_NULL: continue
factory = MPI.Datatype.Get_value_index
pair = factory(value, index)
if pair == MPI.DATATYPE_NULL: continue
if pair.is_named: continue
self.check(None, factory, value, index)
class TestDatatypeCreate(BaseTestDatatypeCreateMixin, unittest.TestCase):
def check(self, oldtype, factory, *args):
try:
if oldtype is not None:
newtype = factory(oldtype, *args)
else:
newtype = factory(*args)
if newtype == MPI.DATATYPE_NULL:
return
except NotImplementedError:
self.skipTest('mpi-type-constructor')
self.check_contents(factory, newtype, oldtype)
self.check_recreate(factory, newtype)
newtype.Commit()
self.check_contents(factory, newtype, oldtype)
self.check_recreate(factory, newtype)
self.free(newtype)
class TestDatatypePickle(BaseTestDatatypeCreateMixin, unittest.TestCase):
def check(self, oldtype, factory, *args):
from pickle import dumps, loads
try:
if oldtype is not None:
newtype0 = factory(oldtype, *args)
else:
newtype0 = factory(*args)
if newtype0 == MPI.DATATYPE_NULL:
return
except NotImplementedError:
self.skipTest('mpi-type-constructor')
newtype1 = loads(dumps(newtype0))
self.check_contents(factory, newtype1, oldtype)
self.free(newtype1)
self.free(newtype0)
def testNamed(self):
from pickle import dumps, loads
for dtype in [MPI.DATATYPE_NULL] + datatypes:
newdtype = loads(dumps(dtype))
self.assertIs(newdtype, dtype)
newdtype = loads(dumps(MPI.Datatype(dtype)))
self.assertIsNot(newdtype, dtype)
self.assertEqual(newdtype, dtype)
name, version = MPI.get_vendor()
if name == 'LAM/MPI':
combiner_map[MPI.COMBINER_INDEXED_BLOCK] = MPI.COMBINER_INDEXED
elif name == 'MPICH1':
combiner_map[MPI.COMBINER_VECTOR] = None
combiner_map[MPI.COMBINER_HVECTOR] = None
combiner_map[MPI.COMBINER_INDEXED] = None
combiner_map[MPI.COMBINER_HINDEXED_BLOCK] = None
for t in datatypes_f:
if t in datatypes:
datatypes.remove(t)
if t in datatypes_f:
datatypes_f.remove(t)
elif MPI.Get_version() < (2,0):
combiner_map = None
if name == 'Open MPI':
if (1,6,0) < version < (1,7,0):
TestDatatype.match_size_complex[:] = []
if version < (1,5,2):
for t in [getattr(MPI, f'COMPLEX{i}') for i in (4, 8, 16, 32)]:
if t in datatypes:
datatypes.remove(t)
if t in datatypes_f90:
datatypes_f90.remove(t)
if __name__ == '__main__':
unittest.main()
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